Rear bumper for a motor vehicle



FIG. 1 is a perspective view from the front left corner of rear bumper for a motor vehicle;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is an elevation view from the right side thereof; and,

FIG. 7 is an elevation view from the left side thereof.

The features that are encircled by broken lines are for illustration only and form no part of the claimed design. 

The ornamental design for a rear bumper for a motor vehicle, as shown and described. 